<template>
    <view :class="theme_view">
        <!-- 分类 -->
        <scroll-view v-if="(category_list || null) != null && category_list.length > 0" class="nav-base scroll-view-horizontal bg-white oh" scroll-x="true">
            <view :class="'item cr-grey dis-inline-block padding-horizontal-main ' + (nav_active_value == 0 ? 'cr-main' : '')" @tap="nav_event" data-value="0">{{$t('common.all')}}</view>
            <block v-for="(item, index) in category_list" :key="index">
                <view :class="'item cr-grey dis-inline-block padding-horizontal-main ' + (nav_active_value == item.id ? 'cr-main' : '')" @tap="nav_event" :data-value="item.id">{{ item.name }}</view>
            </block>
        </scroll-view>

        <!-- 列表 -->
        <scroll-view :scroll-y="true" class="scroll-box scroll-box-ece-nav" @scrolltolower="scroll_lower" lower-threshold="60">
            <view v-if="(data_list || null) != null && data_list.length > 0" class="data-list padding-horizontal-main padding-top-main oh">
                <block v-for="(item, index) in data_list" :key="index">
                    <view :data-value="item.url" @tap="url_event" class="item padding-main border-radius-main bg-white oh cp spacing-mb">
                        <view class="cr-base fw-b" :style="(item.title_color || null) != null ? 'color:' + item.title_color + ' !important;' : ''">{{ item.title }}</view>
                        <view class="cr-grey oh margin-top-sm">
                            <text class="fl">{{ item.add_time }}</text>
                            <text class="fr">{{$t('article-category.article-category.gxra15')}}{{ item.access_count }}</text>
                        </view>
                    </view>
                </block>
            </view>
            <view v-else>
                <!-- 提示信息 -->
                <component-no-data :propStatus="data_list_loding_status" :propMsg="data_list_loding_msg"></component-no-data>
            </view>

            <!-- 结尾 -->
            <component-bottom-line :propStatus="data_bottom_line_status"></component-bottom-line>
        </scroll-view>
    </view>
</template>
<script>
const app = getApp();
import componentNoData from "../../components/no-data/no-data";
import componentBottomLine from "../../components/bottom-line/bottom-line";

export default {
    data() {
        return {
            theme_view: app.globalData.get_theme_value_view(),
            data_list_loding_status: 1,
            data_list_loding_msg: "",
            data_bottom_line_status: false,
            data_is_loading: 0,
            data_list: [],
            data_total: 0,
            data_page_total: 0,
            data_page: 1,
            params: null,
            category_list: [],
            nav_active_value: 0,
            // 自定义分享信息
            share_info: {},
        };
    },

    components: {
        componentNoData,
        componentBottomLine,
    },
    props: {},

    onLoad(params) {
        // 调用公共事件方法
        app.globalData.page_event_onload_handle(params);

        // 设置参数
        this.setData({
            params: params,
            nav_active_value: params.id || 0,
        });

        // 数据加载
        this.get_data();
    },

    onShow() {
        // 调用公共事件方法
        app.globalData.page_event_onshow_handle();
    },

    // 下拉刷新
    onPullDownRefresh() {
        this.setData({
            data_page: 1,
        });
        this.get_data_list(1);
    },

    methods: {
        // 初始化
        get_data() {
            uni.request({
                url: app.globalData.get_request_url("index", "article"),
                method: "POST",
                data: {},
                dataType: "json",
                success: (res) => {
                    uni.stopPullDownRefresh();
                    if (res.data.code == 0) {
                        var data = res.data.data;
                        this.setData({
                            category_list: data.category_list || [],
                        });

                        // 基础自定义分享
                        this.setData({
                            share_info: {
                                path: "/pages/article-category/article-category",
                                query: "id=" + this.nav_active_value,
                            },
                        });

                        // 获取列表数据
                        this.get_data_list(1);
                    } else {
                        this.setData({
                            data_list_loding_status: 0,
                            data_list_loding_msg: res.data.msg,
                        });
                        app.globalData.showToast(res.data.msg);
                    }

                    // 分享菜单处理
                    app.globalData.page_share_handle(this.share_info);
                },
                fail: () => {
                    uni.stopPullDownRefresh();
                    this.setData({
                        data_list_loding_status: 2,
                    });
                    app.globalData.showToast(this.$t('common.internet_error_tips'));
                },
            });
        },

        // 获取数据列表
        get_data_list(is_mandatory) {
            // 分页是否还有数据
            if ((is_mandatory || 0) == 0) {
                if (this.data_bottom_line_status == true) {
                    uni.stopPullDownRefresh();
                    return false;
                }
            }

            // 是否加载中
            if (this.data_is_loading == 1) {
                return false;
            }
            this.setData({ data_is_loading: 1 });

            // 加载loding
            if(this.data_page > 1) {
                uni.showLoading({
                    title: this.$t('common.loading_in_text'),
                });
            }

            // 获取数据
            uni.request({
                url: app.globalData.get_request_url("datalist", "article"),
                method: "POST",
                data: {
                    page: this.data_page,
                    id: this.nav_active_value || 0,
                },
                dataType: "json",
                success: (res) => {
                    if(this.data_page > 1) {
                        uni.hideLoading();
                    }
                    uni.stopPullDownRefresh();
                    if (res.data.code == 0) {
                        var data = res.data.data;
                        if (data.data.length > 0) {
                            if (this.data_page <= 1) {
                                var temp_data_list = data.data;
                            } else {
                                var temp_data_list = this.data_list || [];
                                var temp_data = data.data;
                                for (var i in temp_data) {
                                    temp_data_list.push(temp_data[i]);
                                }
                            }
                            this.setData({
                                data_list: temp_data_list,
                                data_total: data.total,
                                data_page_total: data.page_total,
                                data_list_loding_status: 3,
                                data_page: this.data_page + 1,
                                data_is_loading: 0,
                            });

                            // 是否还有数据
                            this.setData({
                                data_bottom_line_status: this.data_page > 1 && this.data_page > this.data_page_total,
                            });
                        } else {
                            this.setData({
                                data_list_loding_status: 0,
                                data_is_loading: 0,
                            });
                            if (this.data_page <= 1) {
                                this.setData({
                                    data_list: [],
                                    data_bottom_line_status: false,
                                });
                            }
                        }
                    } else {
                        this.setData({
                            data_list_loding_status: 0,
                            data_list_loding_msg: res.data.msg,
                            data_is_loading: 0,
                        });
                        app.globalData.showToast(res.data.msg);
                    }
                },
                fail: () => {
                    if(this.data_page > 1) {
                        uni.hideLoading();
                    }
                    uni.stopPullDownRefresh();
                    this.setData({
                        data_list_loding_status: 2,
                        data_is_loading: 0,
                    });
                    app.globalData.showToast(this.$t('common.internet_error_tips'));
                },
            });
        },

        // 滚动加载
        scroll_lower(e) {
            this.get_data_list();
        },

        // 导航事件
        nav_event(e) {
            this.setData({
                nav_active_value: e.currentTarget.dataset.value || 0,
                data_page: 1,
                data_list: [],
                data_list_loding_status: 1,
                data_bottom_line_status: false
            });
            this.get_data_list(1);
        },

        // url事件
        url_event(e) {
            app.globalData.url_event(e);
        }
    },
};
</script>
<style></style>
